20791897140

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{1637}}^1\times {\mathrm{30241}}^1$

素因数の和:31897

約数の個数: 96

約数和(自身を含む): 66576916224

約数和(自身を除く): 45785019084

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 1637, 3274, 4911, 6548, 8185, 9822, 11459, 16370, 19644, 22918, 24555, 30241, 32740, 34377, 45836, 49110, 57295, 60482, 68754, 90723, 98220, 114590, 120964, 137508, 151205, 171885, 181446, 211687, 229180, 302410, 343770, 362892, 423374, 453615, 604820, 635061, 687540, 846748, 907230, 1058435, 1270122, 1814460, 2116870, 2540244, 3175305, 4233740, 6350610, 12701220, 49504517, 99009034, 148513551, 198018068, 247522585, 297027102, 346531619, 495045170, 594054204, 693063238, 742567755, 990090340, 1039594857, 1386126476, 1485135510, 1732658095, 2079189714, 2970271020, 3465316190, 4158379428, 5197974285, 6930632380, 10395948570, 20791897140]

約数ペア:

[(1, 20791897140), (2, 10395948570), (3, 6930632380), (4, 5197974285), (5, 4158379428), (6, 3465316190), (7, 2970271020), (10, 2079189714), (12, 1732658095), (14, 1485135510), (15, 1386126476), (20, 1039594857), (21, 990090340), (28, 742567755), (30, 693063238), (35, 594054204), (42, 495045170), (60, 346531619), (70, 297027102), (84, 247522585), (105, 198018068), (140, 148513551), (210, 99009034), (420, 49504517), (1637, 12701220), (3274, 6350610), (4911, 4233740), (6548, 3175305), (8185, 2540244), (9822, 2116870), (11459, 1814460), (16370, 1270122), (19644, 1058435), (22918, 907230), (24555, 846748), (30241, 687540), (32740, 635061), (34377, 604820), (45836, 453615), (49110, 423374), (57295, 362892), (60482, 343770), (68754, 302410), (90723, 229180), (98220, 211687), (114590, 181446), (120964, 171885), (137508, 151205)]